Marantz-SR8300-avr-sb 维修电路原理图.pdf

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1、Approved by S.NAGAO Written by WQ-19 2 817/additional rule 3 (1st Issue 2003-03-19)Date:27-Jan.-2004Model: SR8300/SR9300Page:1 / 3REF.NBR:MZ04-010Circulation:Application:Subject:Int.ref:PHENOMENON After Power switch on, “Clear memory” is displayed and SETUP sometimes returns to initial setting. *Acc

2、ording to the report, when the power plug is taken out and inserted to the outlet, the phenomenon is sometimes happened.SOLUTION 1) Update the CPUs software version to V0301233 First of all, please check the CPU (QU01) version. It can be confirmed on the “SERVICE PROGRAM”, please refer to the SR8200

3、/SR9200 Service Manual on page 95 for the procedure. Please refer to the service manual SR8200/SR9200 page97 to 98 about details of “ 9.UPDATE FIRMWARE ”. As for details, Please see page 2/3 and 3/3 NECESSARY PARTUpdate of the firmware disc *SR8300CDRREMARKSThe countermeasure apply to this claim onl

4、y.This problem apply to the following Lot number. SR8300 apply to MZxxxxxx21xxxx to MZxxxxxx38xxxx. (MZxxxxxx24xxxx except). SR9300 apply to MZxxxxxx19xxxx to MZxxxxxx37xxxx.SERVICE BULLETINSETUP sometimes returns to initial setting.x for information customercomplaint in case of servicemandatory.See

5、 BelowFile name of *SR8300CDRV030123 3RadioFans.CN 收音机爱 好者资料库979. UPDATE FIRMWARESoftware for CPU and DSP can be updated. Have *SR9200CDR update disc.There are two mode of download, regarding to the target of software as bellow. Mode 1: Download DSPs software to 4M Flash-ROM. This mode is to update

6、the software for DSP. The target devise is 4M Flash ROM (Q671) on P604. SR9200&8200 need to be set download condition, by three front keys. Mode 2: Download CPUs software to internal Flash-ROM. This mode is to update the software for DSP. The target devise is internal flash ROM of CPU (QU01) on P604

7、. The unit needs to be set to writing condition, by pushing internal switch from back-panel. The following items are required for updating. RS232C Dsub-9 pin cable (female to female/Straight type) PC (Windows 98, NT, ME, 2000) with RS-232C port. Upgrade software to CPU. Upgrade software to DSP. Use

8、RS232C Dsub-9 pin cable (female to female/Straight type) to connect PC and the unit. COM port on PC needs to be set by dialog box for each program. COM port can be set from COM1 to COM5. Download Firmware for DSP (Mode 1) 1. Put the “DSP upgrade” folder into anywhere on your PCs hard disc. 2. Connec

9、t PC and the unit with the RS-232C cable. 3. Turn on the unit. 4. Press ENTER, MUTE and MULTI-SPK buttons simultaneously more than 5 seconds to turn the unit into Loading Mode. 5. “LOADING MODE” will be shown on FLD. 6. Launch “UpgradeDSP.exe” on PC. 7. Set the Baud Rate to 38400 then click Start co

10、mmunication button. If the connection is made successfully, a dialog box saying “Success to connect” appears and “CONNECTED” is displayed on FLD. 8. Click Send the DSP codes button on the dialog box. Progress status of downloading will be shown on PC and “LOADING” is displayed on FLD. 9. If download

11、ing is completed successfully, “COMPLETED” is displayed on FLD. And a dialog box saying Finished the DSP code transmitting appears. Click OK and then click CLOSE to close the application. 10. Turn off the unit. RadioFans.CN 收音机爱 好者资料库 page 2/3 *SR8300CDR Use Mode2:98Download Firmware for CPU (Mode 2

12、) 1. Put the “CPU upgrade” folder into anywhere on your PCs hard disc. 2. Connect PC and the unit with the RS-232C cable. 3. Remove the screw on the backside of the unit. 4. Insert a thin rot to the screw hole and push the switch (SU02) inside to turn on the switch. 5. Turn on the power of the unit.

13、 (Confirm that the stand-by LED lights in green so the unit is in the boot mode.) 6. Launch “H8Download.exe” on PC. 7. Click other files button in the dialog box to specify the file (XXXX.mot) to be upload. 8. Click Connect button. If the connection with the H8 -com is successfully made, a dialogue

14、box saying “Success to the H8 micro processor connection” appears. If the connection fails, error message will appear. 9. Click Send button to start update. 10. If the firmware is updated successfully, a dialog box saying “Finished the firmware program sending” appears. 11. Click CLOSE button to clo

15、se the application. 12. Disconnect Mains power cord. 13. Turn off the internal switch that has been turned on at step 3. Put on the screw. 14. Turn on the unit. Firmware Version Check To check the versions of the firmware, see “Microprocessor (CPU), DSP Version and FLD Segment Check Mode” in “SERVIC

16、E PROGRAM” section. page 3/3 V0301233.motApproved by S.NAGAO Written by WQ-19 2 817/additional rule 3 (1st Issue 2003-03-19)Date:22-Apr.-2004Model: SR8300/SR9300Page:1 / 1REF.NBR:MZ04-035Circulation:Application:Subject:Int.ref:PHENOMENON 1. By SETUP MENU, Set the Speaker level of SURROUND to +1dB or

17、 more. Then, escaping from MENU. 2. The Sound level is set to negative infinity from other than negative infinity by VOL Knob. 3. Press the POWER switch to turn off and turn on. 4. “Clear memory” is displayed and SETUP sometimes returns to initial setting.SOLUTION 1) Update the CPUs software version

18、 to V0301234 First of all, please check the CPU (QU01) version. It can be confirmed on the “SERVICE PROGRAM”, please refer to the SR8200/SR9200 Service Manual on page 95 for the procedure. Please refer to the service manual SR8200/SR9200 page97 to 98 about details of “ 9.UPDATE FIRMWARE ”. As for de

19、tails, Please see page 2/3 and 3/3 NECESSARY PARTUpdate of the firmware disc *SR8300CD2REMARKSThe countermeasure applies to this claim only.SERVICE BULLETIN After specific operation, SETUP sometimes returns to initial setting.x for information customercomplaint in case of servicemandatory.ALLV030123 4File name of *SR8300CD2